Document Detail

Multicenter comparative trial of the V-scope system for therapeutic ERCP.
MedLine Citation:
PMID:  16810594     Owner:  NLM     Status:  MEDLINE    
BACKGROUND AND STUDY AIMS: A new duodenoscope (the V-scope), with a modified elevator used in combination with a dedicated short guide wire, constitutes the V-system. This system is intended to allow fixation of the guide wire at the elevator lever, thereby enhancing the speed and reliability of accessory exchange over a guide wire during ERCP. The aim of this study was to evaluate the extent to which the V-system provides improved efficiency in comparison with conventional duodenoscope and guide wire combinations. PATIENTS AND METHODS: This was an industry-sponsored multicenter randomized trial. Patients undergoing endoscopic retrograde cholangiopancreatography (ERCP) procedures in which treatment was anticipated were randomly assigned to the V-system or to a conventional duodenoscope and accessories used routinely in each center. The parameters recorded included the total case time, fluoroscopy time, catheter/guide wire exchange time, guide wire repositioning, loss of guide wire access, and success or failure of guide wire fixation when using the V-system. RESULTS: Fifty patients were included, 22 in the conventional group and 28 in the V-system group. A total of 135 exchanges were carried out. The patients had up to six exchanges. The median exchange time was 19.4 s with the V-system and 31.7 s with the conventional systems ( P < 0.001). Guide wire repositioning was required less often in the V-system group ( P = 0.0005). The V-system effectively locked the guide wire in 63 of 71 exchanges (89 %). Loss of guide wire access occurred in two patients in the conventional group and four in the V-system group, attributable to failure to lock the guide wire early during the experience (no significant differences). CONCLUSIONS: The V-system can effectively secure the guide wire during accessory exchange in ERCP and reduces the time required to exchange accessories. This may enhance overall efficiency during ERCP.
A M Joyce; N A Ahmad; M C Beilstein; M L Kochman; W B Long; T Baron; S Sherman; E Fogel; G A Lehman; L McHenry; J Watkins; G G Ginsberg
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Publication Detail:
Type:  Comparative Study; Journal Article; Multicenter Study; Randomized Controlled Trial    
Journal Detail:
Title:  Endoscopy     Volume:  38     ISSN:  0013-726X     ISO Abbreviation:  Endoscopy     Publication Date:  2006 Jul 
Date Detail:
Created Date:  2006-06-30     Completed Date:  2006-12-19     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0215166     Medline TA:  Endoscopy     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  713-6     Citation Subset:  IM    
Division of Gastroenterology, Department of Medicine, University of Pennsylvania Health System, Philadelphia, Pennsylvania 19104, USA.
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MeSH Terms
Aged, 80 and over
Cholangiopancreatography, Endoscopic Retrograde / instrumentation*
Equipment Design
Middle Aged

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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